package com.xiaoh.bio;

import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * @author xiaoH
 * @date 2020/4/22
 * @description
 */
public class BIOServer {

    /**
     * 1、创建一个线程池
     * 2、如果有客户端连接，就创建一个线程与之通讯（单独写一个方法）
     *
     */

    public static void main(String[] args) throws IOException {
        ExecutorService executorService = Executors.newCachedThreadPool();
        // 创建ServerSocket
        ServerSocket serverSocket = new ServerSocket(6666);
        System.out.println("服务器启动了");
        while (true) {
            // 监听，等待客户端连接
            System.out.println("等待连接...");
            final Socket socket = serverSocket.accept();
            System.out.println("连接到一个客户端");
            // 创建一个线程与之通讯
            executorService.execute(new Runnable() {
                @Override
                public void run() {
                    //可以与客户端通讯
                    handler(socket);
                }
            });
        }
    }

    // 编写一个handler方法与客户端通讯
    public static void handler(Socket socket) {
        try {
            System.out.println("线程信息 id = " + Thread.currentThread().getId() + " 名字 = " + Thread.currentThread().getName());
            byte[] bytes = new byte[1024];

            // 通过socket获取输入流
            InputStream inputStream = socket.getInputStream();

            // 循环读取客户端发送的数据
            while (true) {
                System.out.println("read ...");
                int read = inputStream.read(bytes);
                if (read != -1) {
                    // 输出客户端发送的数据
                    System.out.println(new String(bytes, 0, read));
                } else {
                    // 读取完毕
                    break;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            System.out.println("关闭和client的连接");
            try {
                socket.close();
            } catch (Exception e1) {
                e1.printStackTrace();
            }
        }
    }

}
